Format usage code

yuanchuan · yuanchuan · commit c9c8d1fc64b3 · 2023-01-05T21:11:00.000+08:00
diff --git a/README.md b/README.md
@@ -20,7 +20,9 @@ npm i -D postcss-doodle
 ## Usage
 
 ```js
-postcss([ require('postcss-doodle') ])
+postcss([
+  require('postcss-doodle')
+])
 ```
 
 
